Home / 90,039.98-134,952.10-41,943.76

Finding the Fourth Proportional to 90,039.98, 134,952.10 and 41,943.76

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Solution

The fourth proportional to 90,039.98, 134,952.10 and 41,943.76 is: 62,865.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,039.98 : 134,952.10 = 41,943.76 : x
  2. Step 2: Convert to fraction form
    90,039.98/134,952.10 = 41,943.76/x
  3. Step 3: Cross multiply
    90,039.98x = 134,952.10 × 41,943.76
  4. Step 4: Simplify right side
    90,039.98x = 5,660,398,493.90
  5. Step 5: Solve for x
    x = 5,660,398,493.90/90,039.98
  6. Step 6: Final answer
    x = 62,865.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.